Sunlite Tube
Best heavy-duty tube for mountain bikers riding through thorny terrain.
Designed to minimize downtime, this heavy-duty inner tube features an extra-thick wall construction that effectively deflects thorns and sharp debris. It is an essential upgrade for riders who frequently navigate rough terrain and want to avoid the frustration of constant roadside repairs.
$22.49
More Thorn Resistant options
Who it's for
- Commuters and trail riders tired of frequent flat tires
- Cyclists needing a versatile spare for various 29-inch tires
- Riders with deep-rim wheels needing extra valve reach
Who should skip it
- Performance-focused racers prioritizing lightweight, snappy acceleration
- Beginners struggling with stiff, difficult tire installations
- Mountain bikers seeking maximum traction and supple terrain feedback
Performance breakdown
Puncture resistance
Extra thick walls significantly reduce the risk of trail-side flats.
Material durability
Heavy-duty Butyl rubber construction withstands harsh terrain and debris.
Valve versatility
Removable core allows for easy sealant injection or valve extensions.
Weight penalty
Substantial wall thickness adds noticeable rotational weight to your wheels.
Installation ease
Stiffer rubber compound requires a bit more effort to seat properly.
Compatibility range
Versatile sizing fits most standard 29-inch mountain bike tires perfectly.
Key Specs
Wheel Diameter
29 inches
Tire Compatibility
29 x 1.9-2.3 inches
Wall Thickness
4.3 mm
Valve Type
Schrader
Valve Length
32 mm
Removable Valve Core
Yes
Material
Butyl rubber
Pack Quantity
1
ISO Diameter (ETRTO)
622
Puncture Protection
Thick wall
Know before you buy
Still have a question?
Ask Metto anything about the Sunlite Tube before you decide.
